diff options
Diffstat (limited to 'scene/gui/graph_edit.cpp')
| -rw-r--r-- | scene/gui/graph_edit.cpp | 1486 |
1 files changed, 491 insertions, 995 deletions
diff --git a/scene/gui/graph_edit.cpp b/scene/gui/graph_edit.cpp index 2c37017fa1..cb9fba44e5 100644 --- a/scene/gui/graph_edit.cpp +++ b/scene/gui/graph_edit.cpp @@ -35,10 +35,18 @@ #include "core/os/keyboard.h" #include "scene/gui/box_container.h" #include "scene/gui/button.h" +#include "scene/gui/graph_edit_arranger.h" #include "scene/gui/view_panner.h" +#include "scene/resources/style_box_flat.h" constexpr int MINIMAP_OFFSET = 12; constexpr int MINIMAP_PADDING = 5; +constexpr int MIN_DRAG_DISTANCE_FOR_VALID_CONNECTION = 20; +constexpr int MAX_CONNECTION_LINE_CURVE_TESSELATION_STAGES = 5; +constexpr int GRID_MINOR_STEPS_PER_MAJOR_LINE = 10; +constexpr int GRID_MIN_SNAPPING_DISTANCE = 2; +constexpr int GRID_MAX_SNAPPING_DISTANCE = 100; +constexpr float CONNECTING_TARGET_LINE_COLOR_BRIGHTENING = 0.4; bool GraphEditFilter::has_point(const Point2 &p_point) const { return ge->_filter_input(p_point); @@ -75,23 +83,23 @@ void GraphEditMinimap::update_minimap() { Vector2 graph_offset = _get_graph_offset(); Vector2 graph_size = _get_graph_size(); - camera_position = ge->get_scroll_ofs() - graph_offset; + camera_position = ge->get_scroll_offset() - graph_offset; camera_size = ge->get_size(); Vector2 render_size = _get_render_size(); - float target_ratio = render_size.x / render_size.y; - float graph_ratio = graph_size.x / graph_size.y; + float target_ratio = render_size.width / render_size.height; + float graph_ratio = graph_size.width / graph_size.height; graph_proportions = graph_size; graph_padding = Vector2(0, 0); if (graph_ratio > target_ratio) { - graph_proportions.x = graph_size.x; - graph_proportions.y = graph_size.x / target_ratio; - graph_padding.y = Math::abs(graph_size.y - graph_proportions.y) / 2; + graph_proportions.width = graph_size.width; + graph_proportions.height = graph_size.width / target_ratio; + graph_padding.y = Math::abs(graph_size.height - graph_proportions.y) / 2; } else { - graph_proportions.x = graph_size.y * target_ratio; - graph_proportions.y = graph_size.y; - graph_padding.x = Math::abs(graph_size.x - graph_proportions.x) / 2; + graph_proportions.width = graph_size.height * target_ratio; + graph_proportions.height = graph_size.height; + graph_padding.x = Math::abs(graph_size.width - graph_proportions.x) / 2; } // This centers minimap inside the minimap rectangle. @@ -114,17 +122,17 @@ Vector2 GraphEditMinimap::_get_render_size() { } Vector2 GraphEditMinimap::_get_graph_offset() { - return Vector2(ge->h_scroll->get_min(), ge->v_scroll->get_min()); + return Vector2(ge->h_scrollbar->get_min(), ge->v_scrollbar->get_min()); } Vector2 GraphEditMinimap::_get_graph_size() { - Vector2 graph_size = Vector2(ge->h_scroll->get_max(), ge->v_scroll->get_max()) - Vector2(ge->h_scroll->get_min(), ge->v_scroll->get_min()); + Vector2 graph_size = Vector2(ge->h_scrollbar->get_max(), ge->v_scrollbar->get_max()) - Vector2(ge->h_scrollbar->get_min(), ge->v_scrollbar->get_min()); - if (graph_size.x == 0) { - graph_size.x = 1; + if (graph_size.width == 0) { + graph_size.width = 1; } - if (graph_size.y == 0) { - graph_size.y = 1; + if (graph_size.height == 0) { + graph_size.height = 1; } return graph_size; @@ -134,8 +142,8 @@ Vector2 GraphEditMinimap::_convert_from_graph_position(const Vector2 &p_position Vector2 map_position = Vector2(0, 0); Vector2 render_size = _get_render_size(); - map_position.x = p_position.x * render_size.x / graph_proportions.x; - map_position.y = p_position.y * render_size.y / graph_proportions.y; + map_position.x = p_position.x * render_size.width / graph_proportions.x; + map_position.y = p_position.y * render_size.height / graph_proportions.y; return map_position; } @@ -144,8 +152,8 @@ Vector2 GraphEditMinimap::_convert_to_graph_position(const Vector2 &p_position) Vector2 graph_position = Vector2(0, 0); Vector2 render_size = _get_render_size(); - graph_position.x = p_position.x * graph_proportions.x / render_size.x; - graph_position.y = p_position.y * graph_proportions.y / render_size.y; + graph_position.x = p_position.x * graph_proportions.x / render_size.width; + graph_position.y = p_position.y * graph_proportions.y / render_size.height; return graph_position; } @@ -179,10 +187,10 @@ void GraphEditMinimap::gui_input(const Ref<InputEvent> &p_ev) { accept_event(); } else if (mm.is_valid() && is_pressing) { if (is_resizing) { - // Prevent setting minimap wider than GraphEdit + // Prevent setting minimap wider than GraphEdit. Vector2 new_minimap_size; - new_minimap_size.x = MIN(get_size().x - mm->get_relative().x, ge->get_size().x - 2.0 * minimap_padding.x); - new_minimap_size.y = MIN(get_size().y - mm->get_relative().y, ge->get_size().y - 2.0 * minimap_padding.y); + new_minimap_size.width = MIN(get_size().width - mm->get_relative().x, ge->get_size().width - 2.0 * minimap_padding.x); + new_minimap_size.height = MIN(get_size().height - mm->get_relative().y, ge->get_size().height - 2.0 * minimap_padding.y); ge->set_minimap_size(new_minimap_size); queue_redraw(); @@ -196,7 +204,7 @@ void GraphEditMinimap::gui_input(const Ref<InputEvent> &p_ev) { void GraphEditMinimap::_adjust_graph_scroll(const Vector2 &p_offset) { Vector2 graph_offset = _get_graph_offset(); - ge->set_scroll_ofs(p_offset + graph_offset - camera_size / 2); + ge->set_scroll_offset(p_offset + graph_offset - camera_size / 2); } Control::CursorShape GraphEdit::get_cursor_shape(const Point2 &p_pos) const { @@ -220,9 +228,9 @@ Error GraphEdit::connect_node(const StringName &p_from, int p_from_port, const S return OK; } Connection c; - c.from = p_from; + c.from_node = p_from; c.from_port = p_from_port; - c.to = p_to; + c.to_node = p_to; c.to_port = p_to_port; c.activity = 0; connections.push_back(c); @@ -236,7 +244,7 @@ Error GraphEdit::connect_node(const StringName &p_from, int p_from_port, const S bool GraphEdit::is_node_connected(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port) { for (const Connection &E : connections) { - if (E.from == p_from && E.from_port == p_from_port && E.to == p_to && E.to_port == p_to_port) { + if (E.from_node == p_from && E.from_port == p_from_port && E.to_node == p_to && E.to_port == p_to_port) { return true; } } @@ -246,7 +254,7 @@ bool GraphEdit::is_node_connected(const StringName &p_from, int p_from_port, con void GraphEdit::disconnect_node(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port) { for (const List<Connection>::Element *E = connections.front(); E; E = E->next()) { - if (E->get().from == p_from && E->get().from_port == p_from_port && E->get().to == p_to && E->get().to_port == p_to_port) { + if (E->get().from_node == p_from && E->get().from_port == p_from_port && E->get().to_node == p_to && E->get().to_port == p_to_port) { connections.erase(E); top_layer->queue_redraw(); minimap->queue_redraw(); @@ -261,21 +269,21 @@ void GraphEdit::get_connection_list(List<Connection> *r_connections) const { *r_connections = connections; } -void GraphEdit::set_scroll_ofs(const Vector2 &p_ofs) { - setting_scroll_ofs = true; - h_scroll->set_value(p_ofs.x); - v_scroll->set_value(p_ofs.y); +void GraphEdit::set_scroll_offset(const Vector2 &p_offset) { + setting_scroll_offset = true; + h_scrollbar->set_value(p_offset.x); + v_scrollbar->set_value(p_offset.y); _update_scroll(); - setting_scroll_ofs = false; + setting_scroll_offset = false; } -Vector2 GraphEdit::get_scroll_ofs() const { - return Vector2(h_scroll->get_value(), v_scroll->get_value()); +Vector2 GraphEdit::get_scroll_offset() const { + return Vector2(h_scrollbar->get_value(), v_scrollbar->get_value()); } void GraphEdit::_scroll_moved(double) { if (!awaiting_scroll_offset_update) { - call_deferred(SNAME("_update_scroll_offset")); + callable_mp(this, &GraphEdit::_update_scroll_offset).call_deferred(); awaiting_scroll_offset_update = true; } top_layer->queue_redraw(); @@ -287,25 +295,26 @@ void GraphEdit::_update_scroll_offset() { set_block_minimum_size_adjust(true); for (int i = 0; i < get_child_count(); i++) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (!graph_node) { continue; } - Point2 pos = gn->get_position_offset() * zoom; - pos -= Point2(h_scroll->get_value(), v_scroll->get_value()); - gn->set_position(pos); - if (gn->get_scale() != Vector2(zoom, zoom)) { - gn->set_scale(Vector2(zoom, zoom)); + Point2 pos = graph_node->get_position_offset() * zoom; + pos -= Point2(h_scrollbar->get_value(), v_scrollbar->get_value()); + graph_node->set_position(pos); + if (graph_node->get_scale() != Vector2(zoom, zoom)) { + graph_node->set_scale(Vector2(zoom, zoom)); } } - connections_layer->set_position(-Point2(h_scroll->get_value(), v_scroll->get_value())); + connections_layer->set_position(-Point2(h_scrollbar->get_value(), v_scrollbar->get_value())); set_block_minimum_size_adjust(false); awaiting_scroll_offset_update = false; - if (!setting_scroll_ofs) { //in godot, signals on change value are avoided as a convention - emit_signal(SNAME("scroll_offset_changed"), get_scroll_ofs()); + // In Godot, signals on value change are avoided by convention. + if (!setting_scroll_offset) { + emit_signal(SNAME("scroll_offset_changed"), get_scroll_offset()); } } @@ -313,90 +322,93 @@ void GraphEdit::_update_scroll() { if (updating) { return; } - updating = true; set_block_minimum_size_adjust(true); - Rect2 screen; + Rect2 screen_rect; for (int i = 0; i < get_child_count(); i++) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (!graph_node) { continue; } - Rect2 r; - r.position = gn->get_position_offset() * zoom; - r.size = gn->get_size() * zoom; - screen = screen.merge(r); + Rect2 node_rect; + node_rect.position = graph_node->get_position_offset() * zoom; + node_rect.size = graph_node->get_size() * zoom; + screen_rect = screen_rect.merge(node_rect); } - screen.position -= get_size(); - screen.size += get_size() * 2.0; + screen_rect.position -= get_size(); + screen_rect.size += get_size() * 2.0; - h_scroll->set_min(screen.position.x); - h_scroll->set_max(screen.position.x + screen.size.x); - h_scroll->set_page(get_size().x); - if (h_scroll->get_max() - h_scroll->get_min() <= h_scroll->get_page()) { - h_scroll->hide(); + h_scrollbar->set_min(screen_rect.position.x); + h_scrollbar->set_max(screen_rect.position.x + screen_rect.size.width); + h_scrollbar->set_page(get_size().x); + if (h_scrollbar->get_max() - h_scrollbar->get_min() <= h_scrollbar->get_page()) { + h_scrollbar->hide(); } else { - h_scroll->show(); + h_scrollbar->show(); } - v_scroll->set_min(screen.position.y); - v_scroll->set_max(screen.position.y + screen.size.y); - v_scroll->set_page(get_size().y); + v_scrollbar->set_min(screen_rect.position.y); + v_scrollbar->set_max(screen_rect.position.y + screen_rect.size.height); + v_scrollbar->set_page(get_size().height); - if (v_scroll->get_max() - v_scroll->get_min() <= v_scroll->get_page()) { - v_scroll->hide(); + if (v_scrollbar->get_max() - v_scrollbar->get_min() <= v_scrollbar->get_page()) { + v_scrollbar->hide(); } else { - v_scroll->show(); + v_scrollbar->show(); } - Size2 hmin = h_scroll->get_combined_minimum_size(); - Size2 vmin = v_scroll->get_combined_minimum_size(); + Size2 hmin = h_scrollbar->get_combined_minimum_size(); + Size2 vmin = v_scrollbar->get_combined_minimum_size(); // Avoid scrollbar overlapping. - h_scroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, v_scroll->is_visible() ? -vmin.width : 0); - v_scroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, h_scroll->is_visible() ? -hmin.height : 0); + h_scrollbar->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, v_scrollbar->is_visible() ? -vmin.width : 0); + v_scrollbar->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, h_scrollbar->is_visible() ? -hmin.height : 0); set_block_minimum_size_adjust(false); if (!awaiting_scroll_offset_update) { - call_deferred(SNAME("_update_scroll_offset")); + callable_mp(this, &GraphEdit::_update_scroll_offset).call_deferred(); awaiting_scroll_offset_update = true; } updating = false; } -void GraphEdit::_graph_node_raised(Node *p_gn) { - GraphNode *gn = Object::cast_to<GraphNode>(p_gn); - ERR_FAIL_NULL(gn); - if (gn->is_comment()) { - move_child(gn, 0); - } else { - gn->move_to_front(); - } +void GraphEdit::_graph_node_moved_to_front(Node *p_gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(p_gn); + ERR_FAIL_NULL(graph_node); + + graph_node->move_to_front(); } void GraphEdit::_graph_node_selected(Node *p_gn) { - GraphNode *gn = Object::cast_to<GraphNode>(p_gn); - ERR_FAIL_NULL(gn); + GraphNode *graph_node = Object::cast_to<GraphNode>(p_gn); + ERR_FAIL_NULL(graph_node); - emit_signal(SNAME("node_selected"), gn); + emit_signal(SNAME("node_selected"), graph_node); } void GraphEdit::_graph_node_deselected(Node *p_gn) { - GraphNode *gn = Object::cast_to<GraphNode>(p_gn); - ERR_FAIL_NULL(gn); + GraphNode *graph_node = Object::cast_to<GraphNode>(p_gn); + ERR_FAIL_NULL(graph_node); - emit_signal(SNAME("node_deselected"), gn); + emit_signal(SNAME("node_deselected"), graph_node); +} + +void GraphEdit::_graph_node_resized(Vector2 p_new_minsize, Node *p_gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(p_gn); + ERR_FAIL_NULL(graph_node); + + graph_node->set_custom_minimum_size(p_new_minsize); } void GraphEdit::_graph_node_moved(Node *p_gn) { - GraphNode *gn = Object::cast_to<GraphNode>(p_gn); - ERR_FAIL_NULL(gn); + GraphNode *graph_node = Object::cast_to<GraphNode>(p_gn); + ERR_FAIL_NULL(graph_node); top_layer->queue_redraw(); minimap->queue_redraw(); queue_redraw(); @@ -404,8 +416,8 @@ void GraphEdit::_graph_node_moved(Node *p_gn) { } void GraphEdit::_graph_node_slot_updated(int p_index, Node *p_gn) { - GraphNode *gn = Object::cast_to<GraphNode>(p_gn); - ERR_FAIL_NULL(gn); + GraphNode *graph_node = Object::cast_to<GraphNode>(p_gn); + ERR_FAIL_NULL(graph_node); top_layer->queue_redraw(); minimap->queue_redraw(); queue_redraw(); @@ -415,20 +427,22 @@ void GraphEdit::_graph_node_slot_updated(int p_index, Node *p_gn) { void GraphEdit::add_child_notify(Node *p_child) { Control::add_child_notify(p_child); - top_layer->call_deferred(SNAME("raise")); // Top layer always on top! + // Keep the top layer always on top! + callable_mp((CanvasItem *)top_layer, &CanvasItem::move_to_front).call_deferred(); - GraphNode *gn = Object::cast_to<GraphNode>(p_child); - if (gn) { - gn->set_scale(Vector2(zoom, zoom)); - gn->connect("position_offset_changed", callable_mp(this, &GraphEdit::_graph_node_moved).bind(gn)); - gn->connect("node_selected", callable_mp(this, &GraphEdit::_graph_node_selected).bind(gn)); - gn->connect("node_deselected", callable_mp(this, &GraphEdit::_graph_node_deselected).bind(gn)); - gn->connect("slot_updated", callable_mp(this, &GraphEdit::_graph_node_slot_updated).bind(gn)); - gn->connect("raise_request", callable_mp(this, &GraphEdit::_graph_node_raised).bind(gn)); - gn->connect("item_rect_changed", callable_mp((CanvasItem *)connections_layer, &CanvasItem::queue_redraw)); - gn->connect("item_rect_changed", callable_mp((CanvasItem *)minimap, &GraphEditMinimap::queue_redraw)); - _graph_node_moved(gn); - gn->set_mouse_filter(MOUSE_FILTER_PASS); + GraphNode *graph_node = Object::cast_to<GraphNode>(p_child); + if (graph_node) { + graph_node->set_scale(Vector2(zoom, zoom)); + graph_node->connect("position_offset_changed", callable_mp(this, &GraphEdit::_graph_node_moved).bind(graph_node)); + graph_node->connect("node_selected", callable_mp(this, &GraphEdit::_graph_node_selected).bind(graph_node)); + graph_node->connect("node_deselected", callable_mp(this, &GraphEdit::_graph_node_deselected).bind(graph_node)); + graph_node->connect("slot_updated", callable_mp(this, &GraphEdit::_graph_node_slot_updated).bind(graph_node)); + graph_node->connect("raise_request", callable_mp(this, &GraphEdit::_graph_node_moved_to_front).bind(graph_node)); + graph_node->connect("resize_request", callable_mp(this, &GraphEdit::_graph_node_resized).bind(graph_node)); + graph_node->connect("item_rect_changed", callable_mp((CanvasItem *)connections_layer, &CanvasItem::queue_redraw)); + graph_node->connect("item_rect_changed", callable_mp((CanvasItem *)minimap, &GraphEditMinimap::queue_redraw)); + _graph_node_moved(graph_node); + graph_node->set_mouse_filter(MOUSE_FILTER_PASS); } } @@ -443,99 +457,100 @@ void GraphEdit::remove_child_notify(Node *p_child) { } if (top_layer != nullptr && is_inside_tree()) { - top_layer->call_deferred(SNAME("raise")); // Top layer always on top! + // Keep the top layer always on top! + callable_mp((CanvasItem *)top_layer, &CanvasItem::move_to_front).call_deferred(); } - GraphNode *gn = Object::cast_to<GraphNode>(p_child); - if (gn) { - gn->disconnect("position_offset_changed", callable_mp(this, &GraphEdit::_graph_node_moved)); - gn->disconnect("node_selected", callable_mp(this, &GraphEdit::_graph_node_selected)); - gn->disconnect("node_deselected", callable_mp(this, &GraphEdit::_graph_node_deselected)); - gn->disconnect("slot_updated", callable_mp(this, &GraphEdit::_graph_node_slot_updated)); - gn->disconnect("raise_request", callable_mp(this, &GraphEdit::_graph_node_raised)); + GraphNode *graph_node = Object::cast_to<GraphNode>(p_child); + if (graph_node) { + graph_node->disconnect("position_offset_changed", callable_mp(this, &GraphEdit::_graph_node_moved)); + graph_node->disconnect("node_selected", callable_mp(this, &GraphEdit::_graph_node_selected)); + graph_node->disconnect("node_deselected", callable_mp(this, &GraphEdit::_graph_node_deselected)); + graph_node->disconnect("slot_updated", callable_mp(this, &GraphEdit::_graph_node_slot_updated)); + graph_node->disconnect("raise_request", callable_mp(this, &GraphEdit::_graph_node_moved_to_front)); // In case of the whole GraphEdit being destroyed these references can already be freed. if (connections_layer != nullptr && connections_layer->is_inside_tree()) { - gn->disconnect("item_rect_changed", callable_mp((CanvasItem *)connections_layer, &CanvasItem::queue_redraw)); + graph_node->disconnect("item_rect_changed", callable_mp((CanvasItem *)connections_layer, &CanvasItem::queue_redraw)); } if (minimap != nullptr && minimap->is_inside_tree()) { - gn->disconnect("item_rect_changed", callable_mp((CanvasItem *)minimap, &GraphEditMinimap::queue_redraw)); + graph_node->disconnect("item_rect_changed", callable_mp((CanvasItem *)minimap, &GraphEditMinimap::queue_redraw)); } } } void GraphEdit::_notification(int p_what) { switch (p_what) { - case NOTIFICATION_ENTER_TREE: case NOTIFICATION_THEME_CHANGED: { port_hotzone_inner_extent = get_theme_constant("port_hotzone_inner_extent"); port_hotzone_outer_extent = get_theme_constant("port_hotzone_outer_extent"); - zoom_minus->set_icon(get_theme_icon(SNAME("minus"))); - zoom_reset->set_icon(get_theme_icon(SNAME("reset"))); - zoom_plus->set_icon(get_theme_icon(SNAME("more"))); - snap_button->set_icon(get_theme_icon(SNAME("snap"))); - minimap_button->set_icon(get_theme_icon(SNAME("minimap"))); + zoom_minus_button->set_icon(get_theme_icon(SNAME("zoom_out"))); + zoom_reset_button->set_icon(get_theme_icon(SNAME("zoom_reset"))); + zoom_plus_button->set_icon(get_theme_icon(SNAME("zoom_in"))); + + toggle_snapping_button->set_icon(get_theme_icon(SNAME("snapping_toggle"))); + show_grid_button->set_icon(get_theme_icon(SNAME("grid_toggle"))); + minimap_button->set_icon(get_theme_icon(SNAME("minimap_toggle"))); layout_button->set_icon(get_theme_icon(SNAME("layout"))); zoom_label->set_custom_minimum_size(Size2(48, 0) * get_theme_default_base_scale()); } break; case NOTIFICATION_READY: { - Size2 hmin = h_scroll->get_combined_minimum_size(); - Size2 vmin = v_scroll->get_combined_minimum_size(); - - h_scroll->set_anchor_and_offset(SIDE_LEFT, ANCHOR_BEGIN, 0); - h_scroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, 0); - h_scroll->set_anchor_and_offset(SIDE_TOP, ANCHOR_END, -hmin.height); - h_scroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, 0); - - v_scroll->set_anchor_and_offset(SIDE_LEFT, ANCHOR_END, -vmin.width); - v_scroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, 0); - v_scroll->set_anchor_and_offset(SIDE_TOP, ANCHOR_BEGIN, 0); - v_scroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, 0); + Size2 hmin = h_scrollbar->get_combined_minimum_size(); + Size2 vmin = v_scrollbar->get_combined_minimum_size(); + + h_scrollbar->set_anchor_and_offset(SIDE_LEFT, ANCHOR_BEGIN, 0); + h_scrollbar->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, 0); + h_scrollbar->set_anchor_and_offset(SIDE_TOP, ANCHOR_END, -hmin.height); + h_scrollbar->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, 0); + + v_scrollbar->set_anchor_and_offset(SIDE_LEFT, ANCHOR_END, -vmin.width); + v_scrollbar->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, 0); + v_scrollbar->set_anchor_and_offset(SIDE_TOP, ANCHOR_BEGIN, 0); + v_scrollbar->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, 0); } break; case NOTIFICATION_DRAW: { - draw_style_box(get_theme_stylebox(SNAME("bg")), Rect2(Point2(), get_size())); + // Draw background fill. + draw_style_box(get_theme_stylebox(SNAME("panel")), Rect2(Point2(), get_size())); - if (is_using_snap()) { - // Draw grid. - int snap = get_snap(); - - Vector2 offset = get_scroll_ofs() / zoom; + // Draw background grid. + if (show_grid) { + Vector2 offset = get_scroll_offset() / zoom; Size2 size = get_size() / zoom; - Point2i from = (offset / float(snap)).floor(); - Point2i len = (size / float(snap)).floor() + Vector2(1, 1); + Point2i from_pos = (offset / float(snapping_distance)).floor(); + Point2i len = (size / float(snapping_distance)).floor() + Vector2(1, 1); Color grid_minor = get_theme_color(SNAME("grid_minor")); Color grid_major = get_theme_color(SNAME("grid_major")); - for (int i = from.x; i < from.x + len.x; i++) { + for (int i = from_pos.x; i < from_pos.x + len.x; i++) { Color color; - if (ABS(i) % 10 == 0) { + if (ABS(i) % GRID_MINOR_STEPS_PER_MAJOR_LINE == 0) { color = grid_major; } else { color = grid_minor; } - float base_ofs = i * snap * zoom - offset.x * zoom; - draw_line(Vector2(base_ofs, 0), Vector2(base_ofs, get_size().height), color); + float base_offset = i * snapping_distance * zoom - offset.x * zoom; + draw_line(Vector2(base_offset, 0), Vector2(base_offset, get_size().height), color); } - for (int i = from.y; i < from.y + len.y; i++) { + for (int i = from_pos.y; i < from_pos.y + len.y; i++) { Color color; - if (ABS(i) % 10 == 0) { + if (ABS(i) % GRID_MINOR_STEPS_PER_MAJOR_LINE == 0) { color = grid_major; } else { color = grid_minor; } - float base_ofs = i * snap * zoom - offset.y * zoom; - draw_line(Vector2(0, base_ofs), Vector2(get_size().width, base_ofs), color); + float base_offset = i * snapping_distance * zoom - offset.y * zoom; + draw_line(Vector2(0, base_offset), Vector2(get_size().width, base_offset), color); } } } break; @@ -548,65 +563,38 @@ void GraphEdit::_notification(int p_what) { } } -void GraphEdit::_update_comment_enclosed_nodes_list(GraphNode *p_node, HashMap<StringName, Vector<GraphNode *>> &p_comment_enclosed_nodes) { - Rect2 comment_node_rect = p_node->get_rect(); - - Vector<GraphNode *> enclosed_nodes; - for (int i = 0; i < get_child_count(); i++) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn || gn->is_selected()) { - continue; - } - - Rect2 node_rect = gn->get_rect(); - - bool included = comment_node_rect.encloses(node_rect); - if (included) { - enclosed_nodes.push_back(gn); - } - } - - p_comment_enclosed_nodes.insert(p_node->get_name(), enclosed_nodes); -} - -void GraphEdit::_set_drag_comment_enclosed_nodes(GraphNode *p_node, HashMap<StringName, Vector<GraphNode *>> &p_comment_enclosed_nodes, bool p_drag) { - for (int i = 0; i < p_comment_enclosed_nodes[p_node->get_name()].size(); i++) { - p_comment_enclosed_nodes[p_node->get_name()][i]->set_drag(p_drag); - } -} - -void GraphEdit::_set_position_of_comment_enclosed_nodes(GraphNode *p_node, HashMap<StringName, Vector<GraphNode *>> &p_comment_enclosed_nodes, Vector2 p_drag_accum) { - for (int i = 0; i < p_comment_enclosed_nodes[p_node->get_name()].size(); i++) { - Vector2 pos = (p_comment_enclosed_nodes[p_node->get_name()][i]->get_drag_from() * zoom + drag_accum) / zoom; - if (is_using_snap() ^ Input::get_singleton()->is_key_pressed(Key::CTRL)) { - const int snap = get_snap(); - pos = pos.snapped(Vector2(snap, snap)); - } - p_comment_enclosed_nodes[p_node->get_name()][i]->set_position_offset(pos); - } -} - bool GraphEdit::_filter_input(const Point2 &p_point) { Ref<Texture2D> port_icon = get_theme_icon(SNAME("port"), SNAME("GraphNode")); for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (!graph_node || !graph_node->is_visible_in_tree()) { continue; } - for (int j = 0; j < gn->get_connection_input_count(); j++) { + for (int j = 0; j < graph_node->get_connection_input_count(); j++) { Vector2i port_size = Vector2i(port_icon->get_width(), port_icon->get_height()); - port_size.height = MAX(port_size.height, gn->get_connection_input_height(j)); - if (is_in_input_hotzone(gn, j, p_point / zoom, port_size)) { + + // Determine slot height. + int slot_index = graph_node->get_connection_input_slot(j); + Control *child = Object::cast_to<Control>(graph_node->get_child(slot_index)); + + port_size.height = MAX(port_size.height, child ? child->get_size().y : 0); + + if (is_in_input_hotzone(graph_node, j, p_point / zoom, port_size)) { return true; } } - for (int j = 0; j < gn->get_connection_output_count(); j++) { + for (int j = 0; j < graph_node->get_connection_output_count(); j++) { Vector2i port_size = Vector2i(port_icon->get_width(), port_icon->get_height()); - port_size.height = MAX(port_size.height, gn->get_connection_output_height(j)); - if (is_in_output_hotzone(gn, j, p_point / zoom, port_size)) { + + // Determine slot height. + int slot_index = graph_node->get_connection_output_slot(j); + Control *child = Object::cast_to<Control>(graph_node->get_child(slot_index)); + port_size.height = MAX(port_size.height, child ? child->get_size().y : 0); + + if (is_in_output_hotzone(graph_node, j, p_point / zoom, port_size)) { return true; } } @@ -623,24 +611,28 @@ void GraphEdit::_top_layer_input(const Ref<InputEvent> &p_ev) { connecting_valid = false; click_pos = mb->get_position() / zoom; for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (!graph_node || !graph_node->is_visible_in_tree()) { continue; } - for (int j = 0; j < gn->get_connection_output_count(); j++) { - Vector2 pos = gn->get_connection_output_position(j) + gn->get_position(); + for (int j = 0; j < graph_node->get_connection_output_count(); j++) { + Vector2 pos = graph_node->get_connection_output_position(j) * zoom + graph_node->get_position(); Vector2i port_size = Vector2i(port_icon->get_width(), port_icon->get_height()); - port_size.height = MAX(port_size.height, gn->get_connection_output_height(j)); - if (is_in_output_hotzone(gn, j, click_pos, port_size)) { - if (valid_left_disconnect_types.has(gn->get_connection_output_type(j))) { - //check disconnect + // Determine slot height. + int slot_index = graph_node->get_connection_output_slot(j); + Control *child = Object::cast_to<Control>(graph_node->get_child(slot_index)); + port_size.height = MAX(port_size.height, child ? child->get_size().y : 0); + + if (is_in_output_hotzone(graph_node, j, click_pos, port_size)) { + if (valid_left_disconnect_types.has(graph_node->get_connection_output_type(j))) { + // Check disconnect. for (const Connection &E : connections) { - if (E.from == gn->get_name() && E.from_port == j) { - Node *to = get_node(NodePath(E.to)); + if (E.from_node == graph_node->get_name() && E.from_port == j) { + Node *to = get_node(NodePath(E.to_node)); if (Object::cast_to<GraphNode>(to)) { - connecting_from = E.to; + connecting_from = E.to_node; connecting_index = E.to_port; connecting_out = false; connecting_type = Object::cast_to<GraphNode>(to)->get_connection_input_type(E.to_port); @@ -651,7 +643,7 @@ void GraphEdit::_top_layer_input(const Ref<InputEvent> &p_ev) { if (connecting_type >= 0) { just_disconnected = true; - emit_signal(SNAME("disconnection_request"), E.from, E.from_port, E.to, E.to_port); + emit_signal(SNAME("disconnection_request"), E.from_node, E.from_port, E.to_node, E.to_port); to = get_node(NodePath(connecting_from)); // Maybe it was erased. if (Object::cast_to<GraphNode>(to)) { connecting = true; @@ -664,11 +656,11 @@ void GraphEdit::_top_layer_input(const Ref<InputEvent> &p_ev) { } } - connecting_from = gn->get_name(); + connecting_from = graph_node->get_name(); connecting_index = j; connecting_out = true; - connecting_type = gn->get_connection_output_type(j); - connecting_color = gn->get_connection_output_color(j); + connecting_type = graph_node->get_connection_output_type(j); + connecting_color = graph_node->get_connection_output_color(j); connecting_target = false; connecting_to = pos; if (connecting_type >= 0) { @@ -680,20 +672,24 @@ void GraphEdit::_top_layer_input(const Ref<InputEvent> &p_ev) { } } - for (int j = 0; j < gn->get_connection_input_count(); j++) { - Vector2 pos = gn->get_connection_input_position(j) + gn->get_position(); + for (int j = 0; j < graph_node->get_connection_input_count(); j++) { + Vector2 pos = graph_node->get_connection_input_position(j) + graph_node->get_position(); Vector2i port_size = Vector2i(port_icon->get_width(), port_icon->get_height()); - port_size.height = MAX(port_size.height, gn->get_connection_input_height(j)); - if (is_in_input_hotzone(gn, j, click_pos, port_size)) { - if (right_disconnects || valid_right_disconnect_types.has(gn->get_connection_input_type(j))) { + // Determine slot height. + int slot_index = graph_node->get_connection_input_slot(j); + Control *child = Object::cast_to<Control>(graph_node->get_child(slot_index)); + port_size.height = MAX(port_size.height, child ? child->get_size().y : 0); + + if (is_in_input_hotzone(graph_node, j, click_pos, port_size)) { + if (right_disconnects || valid_right_disconnect_types.has(graph_node->get_connection_input_type(j))) { // Check disconnect. for (const Connection &E : connections) { - if (E.to == gn->get_name() && E.to_port == j) { - Node *fr = get_node(NodePath(E.from)); + if (E.to_node == graph_node->get_name() && E.to_port == j) { + Node *fr = get_node(NodePath(E.from_node)); if (Object::cast_to<GraphNode>(fr)) { - connecting_from = E.from; + connecting_from = E.from_node; connecting_index = E.from_port; connecting_out = true; connecting_type = Object::cast_to<GraphNode>(fr)->get_connection_output_type(E.from_port); @@ -703,8 +699,8 @@ void GraphEdit::_top_layer_input(const Ref<InputEvent> &p_ev) { just_disconnected = true; if (connecting_type >= 0) { - emit_signal(SNAME("disconnection_request"), E.from, E.from_port, E.to, E.to_port); - fr = get_node(NodePath(connecting_from)); // Maybe it was erased. + emit_signal(SNAME("disconnection_request"), E.from_node, E.from_port, E.to_node, E.to_port); + fr = get_node(NodePath(connecting_from)); if (Object::cast_to<GraphNode>(fr)) { connecting = true; emit_signal(SNAME("connection_drag_started"), connecting_from, connecting_index, true); @@ -716,11 +712,11 @@ void GraphEdit::_top_layer_input(const Ref<InputEvent> &p_ev) { } } - connecting_from = gn->get_name(); + connecting_from = graph_node->get_name(); connecting_index = j; connecting_out = false; - connecting_type = gn->get_connection_input_type(j); - connecting_color = gn->get_connection_input_color(j); + connecting_type = graph_node->get_connection_input_type(j); + connecting_color = graph_node->get_connection_input_color(j); connecting_target = false; connecting_to = pos; if (connecting_type >= 0) { @@ -740,49 +736,61 @@ void GraphEdit::_top_layer_input(const Ref<InputEvent> &p_ev) { connecting_target = false; top_layer->queue_redraw(); minimap->queue_redraw(); - connecting_valid = just_disconnected || click_pos.distance_to(connecting_to / zoom) > 20.0; + + connecting_valid = just_disconnected || click_pos.distance_to(connecting_to / zoom) > MIN_DRAG_DISTANCE_FOR_VALID_CONNECTION; if (connecting_valid) { Vector2 mpos = mm->get_position() / zoom; for (int i = get_child_count() - 1; i >= 0; i--) { Ref<Texture2D> port_icon = get_theme_icon(SNAME("port"), SNAME("GraphNode")); - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (!graph_node || !graph_node->is_visible_in_tree()) { continue; } if (!connecting_out) { - for (int j = 0; j < gn->get_connection_output_count(); j++) { - Vector2 pos = gn->get_connection_output_position(j) + gn->get_position(); + for (int j = 0; j < graph_node->get_connection_output_count(); j++) { + Vector2 pos = graph_node->get_connection_output_position(j) + graph_node->get_position(); Vector2i port_size = Vector2i(port_icon->get_width(), port_icon->get_height()); - port_size.height = MAX(port_size.height, gn->get_connection_output_height(j)); - int type = gn->get_connection_output_type(j); - if ((type == connecting_type || valid_connection_types.has(ConnType(connecting_type, type))) && is_in_output_hotzone(gn, j, mpos, port_size)) { - if (!is_node_hover_valid(gn->get_name(), j, connecting_from, connecting_index)) { + // Determine slot height. + int slot_index = graph_node->get_connection_output_slot(j); + Control *child = Object::cast_to<Control>(graph_node->get_child(slot_index)); + port_size.height = MAX(port_size.height, child ? child->get_size().y : 0); + + int type = graph_node->get_connection_output_type(j); + if ((type == connecting_type || + valid_connection_types.has(ConnectionType(connecting_type, type))) && + is_in_output_hotzone(graph_node, j, mpos, port_size)) { + if (!is_node_hover_valid(graph_node->get_name(), j, connecting_from, connecting_index)) { continue; } connecting_target = true; connecting_to = pos; - connecting_target_to = gn->get_name(); + connecting_target_to = graph_node->get_name(); connecting_target_index = j; return; } } } else { - for (int j = 0; j < gn->get_connection_input_count(); j++) { - Vector2 pos = gn->get_connection_input_position(j) + gn->get_position(); + for (int j = 0; j < graph_node->get_connection_input_count(); j++) { + Vector2 pos = graph_node->get_connection_input_position(j) + graph_node->get_position(); Vector2i port_size = Vector2i(port_icon->get_width(), port_icon->get_height()); - port_size.height = MAX(port_size.height, gn->get_connection_input_height(j)); - int type = gn->get_connection_input_type(j); - if ((type == connecting_type || valid_connection_types.has(ConnType(connecting_type, type))) && is_in_input_hotzone(gn, j, mpos, port_size)) { - if (!is_node_hover_valid(connecting_from, connecting_index, gn->get_name(), j)) { + // Determine slot height. + int slot_index = graph_node->get_connection_input_slot(j); + Control *child = Object::cast_to<Control>(graph_node->get_child(slot_index)); + port_size.height = MAX(port_size.height, child ? child->get_size().y : 0); + + int type = graph_node->get_connection_input_type(j); + if ((type == connecting_type || valid_connection_types.has(ConnectionType(connecting_type, type))) && + is_in_input_hotzone(graph_node, j, mpos, port_size)) { + if (!is_node_hover_valid(connecting_from, connecting_index, graph_node->get_name(), j)) { continue; } connecting_target = true; connecting_to = pos; - connecting_target_to = gn->get_name(); + connecting_target_to = graph_node->get_name(); connecting_target_index = j; return; } @@ -843,30 +851,30 @@ bool GraphEdit::_check_clickable_control(Control *p_control, const Vector2 &mpos } } -bool GraphEdit::is_in_input_hotzone(GraphNode *p_node, int p_port, const Vector2 &p_mouse_pos, const Vector2i &p_port_size) { +bool GraphEdit::is_in_input_hotzone(GraphNode *p_graph_node, int p_port, const Vector2 &p_mouse_pos, const Vector2i &p_port_size) { bool success; - if (GDVIRTUAL_CALL(_is_in_input_hotzone, p_node, p_port, p_mouse_pos, success)) { + if (GDVIRTUAL_CALL(_is_in_input_hotzone, p_graph_node, p_port, p_mouse_pos, success)) { return success; } else { - Vector2 pos = p_node->get_connection_input_position(p_port) + p_node->get_position(); + Vector2 pos = p_graph_node->get_connection_input_position(p_port) + p_graph_node->get_position(); return is_in_port_hotzone(pos / zoom, p_mouse_pos, p_port_size, true); } } -bool GraphEdit::is_in_output_hotzone(GraphNode *p_node, int p_port, const Vector2 &p_mouse_pos, const Vector2i &p_port_size) { - if (p_node->is_resizable()) { - Ref<Texture2D> resizer = p_node->get_theme_icon(SNAME("resizer")); - Rect2 resizer_rect = Rect2(p_node->get_position() / zoom + p_node->get_size() - resizer->get_size(), resizer->get_size()); +bool GraphEdit::is_in_output_hotzone(GraphNode *p_graph_node, int p_port, const Vector2 &p_mouse_pos, const Vector2i &p_port_size) { + if (p_graph_node->is_resizable()) { + Ref<Texture2D> resizer = p_graph_node->get_theme_icon(SNAME("resizer")); + Rect2 resizer_rect = Rect2(p_graph_node->get_position() / zoom + p_graph_node->get_size() - resizer->get_size(), resizer->get_size()); if (resizer_rect.has_point(p_mouse_pos)) { return false; } } bool success; - if (GDVIRTUAL_CALL(_is_in_output_hotzone, p_node, p_port, p_mouse_pos, success)) { + if (GDVIRTUAL_CALL(_is_in_output_hotzone, p_graph_node, p_port, p_mouse_pos, success)) { return success; } else { - Vector2 pos = p_node->get_connection_output_position(p_port) + p_node->get_position(); + Vector2 pos = p_graph_node->get_connection_output_position(p_port) + p_graph_node->get_position(); return is_in_port_hotzone(pos / zoom, p_mouse_pos, p_port_size, false); } } @@ -925,7 +933,7 @@ PackedVector2Array GraphEdit::get_connection_line(const Vector2 &p_from, const V curve.set_point_in(1, Vector2(-cp_offset, 0)); if (lines_curvature > 0) { - return curve.tessellate(5, 2.0); + return curve.tessellate(MAX_CONNECTION_LINE_CURVE_TESSELATION_STAGES, 2.0); } else { return curve.tessellate(1); } @@ -948,31 +956,32 @@ void GraphEdit::_draw_connection_line(CanvasItem *p_where, const Vector2 &p_from void GraphEdit::_connections_layer_draw() { Color activity_color = get_theme_color(SNAME("activity")); + // Draw connections. List<List<Connection>::Element *> to_erase; for (List<Connection>::Element *E = connections.front(); E; E = E->next()) { const Connection &c = E->get(); - Node *from = get_node(NodePath(c.from)); - GraphNode *gfrom = Object::cast_to<GraphNode>(from); + Node *from = get_node(NodePath(c.from_node)); + GraphNode *gnode_from = Object::cast_to<GraphNode>(from); - if (!gfrom) { + if (!gnode_from) { to_erase.push_back(E); continue; } - Node *to = get_node(NodePath(c.to)); - GraphNode *gto = Object::cast_to<GraphNode>(to); + Node *to = get_node(NodePath(c.to_node)); + GraphNode *gnode_to = Object::cast_to<GraphNode>(to); - if (!gto) { + if (!gnode_to) { to_erase.push_back(E); continue; } - Vector2 frompos = gfrom->get_connection_output_position(c.from_port) + gfrom->get_position_offset() * zoom; - Color color = gfrom->get_connection_output_color(c.from_port); - Vector2 topos = gto->get_connection_input_position(c.to_port) + gto->get_position_offset() * zoom; - Color tocolor = gto->get_connection_input_color(c.to_port); + Vector2 frompos = gnode_from->get_connection_output_position(c.from_port) + gnode_from->get_position_offset() * zoom; + Color color = gnode_from->get_connection_output_color(c.from_port); + Vector2 topos = gnode_to->get_connection_input_position(c.to_port) + gnode_to->get_position_offset() * zoom; + Color tocolor = gnode_to->get_connection_input_color(c.to_port); if (c.activity > 0) { color = color.lerp(activity_color, c.activity); @@ -990,33 +999,32 @@ void GraphEdit::_top_layer_draw() { _update_scroll(); if (connecting) { - Node *fromn = get_node_or_null(NodePath(connecting_from)); - ERR_FAIL_NULL(fromn); - GraphNode *from = Object::cast_to<GraphNode>(fromn); - ERR_FAIL_NULL(from); + Node *node_from = get_node_or_null(NodePath(connecting_from)); + ERR_FAIL_NULL(node_from); + GraphNode *graph_node_from = Object::cast_to<GraphNode>(node_from); + ERR_FAIL_NULL(graph_node_from); Vector2 pos; if (connecting_out) { - pos = from->get_connection_output_position(connecting_index); + pos = graph_node_from->get_connection_output_position(connecting_index); } else { - pos = from->get_connection_input_position(connecting_index); + pos = graph_node_from->get_connection_input_position(connecting_index); } - pos += from->get_position(); + pos += graph_node_from->get_position(); - Vector2 topos; - topos = connecting_to; - - Color col = connecting_color; + Vector2 to_pos = connecting_to; + Color line_color = connecting_color; + // Draw the line to the mouse cursor brighter when it's over a valid target port. if (connecting_target) { - col.r += 0.4; - col.g += 0.4; - col.b += 0.4; + line_color.r += CONNECTING_TARGET_LINE_COLOR_BRIGHTENING; + line_color.g += CONNECTING_TARGET_LINE_COLOR_BRIGHTENING; + line_color.b += CONNECTING_TARGET_LINE_COLOR_BRIGHTENING; } if (!connecting_out) { - SWAP(pos, topos); + SWAP(pos, to_pos); } - _draw_connection_line(top_layer, pos, topos, col, col, lines_thickness, zoom); + _draw_connection_line(top_layer, pos, to_pos, line_color, line_color, lines_thickness, zoom); } if (box_selecting) { @@ -1034,51 +1042,28 @@ void GraphEdit::_minimap_draw() { // Draw the minimap background. Rect2 minimap_rect = Rect2(Point2(), minimap->get_size()); - minimap->draw_style_box(minimap->get_theme_stylebox(SNAME("bg")), minimap_rect); + minimap->draw_style_box(minimap->get_theme_stylebox(SNAME("panel")), minimap_rect); Vector2 graph_offset = minimap->_get_graph_offset(); Vector2 minimap_offset = minimap->minimap_offset; - // Draw comment graph nodes. + // Draw graph nodes. for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn || !gn->is_comment()) { + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (!graph_node || !graph_node->is_visible()) { continue; } - Vector2 node_position = minimap->_convert_from_graph_position(gn->get_position_offset() * zoom - graph_offset) + minimap_offset; - Vector2 node_size = minimap->_convert_from_graph_position(gn->get_size() * zoom); + Vector2 node_position = minimap->_convert_from_graph_position(graph_node->get_position_offset() * zoom - graph_offset) + minimap_offset; + Vector2 node_size = minimap->_convert_from_graph_position(graph_node->get_size() * zoom); Rect2 node_rect = Rect2(node_position, node_size); Ref<StyleBoxFlat> sb_minimap = minimap->get_theme_stylebox(SNAME("node"))->duplicate(); // Override default values with colors provided by the GraphNode's stylebox, if possible. - Ref<StyleBoxFlat> sbf = gn->get_theme_stylebox(gn->is_selected() ? "comment_focus" : "comment"); - if (sbf.is_valid()) { - Color node_color = sbf->get_bg_color(); - sb_minimap->set_bg_color(node_color); - } - - minimap->draw_style_box(sb_minimap, node_rect); - } - - // Draw regular graph nodes. - for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn || gn->is_comment()) { - continue; - } - - Vector2 node_position = minimap->_convert_from_graph_position(gn->get_position_offset() * zoom - graph_offset) + minimap_offset; - Vector2 node_size = minimap->_convert_from_graph_position(gn->get_size() * zoom); - Rect2 node_rect = Rect2(node_position, node_size); - - Ref<StyleBoxFlat> sb_minimap = minimap->get_theme_stylebox(SNAME("node"))->duplicate(); - - // Override default values with colors provided by the GraphNode's stylebox, if possible. - Ref<StyleBoxFlat> sbf = gn->get_theme_stylebox(gn->is_selected() ? "selected_frame" : "frame"); - if (sbf.is_valid()) { - Color node_color = sbf->get_border_color(); + Ref<StyleBoxFlat> sb_frame = graph_node->get_theme_stylebox(graph_node->is_selected() ? "selected_frame" : "frame"); + if (sb_frame.is_valid()) { + Color node_color = sb_frame->get_bg_color(); sb_minimap->set_bg_color(node_color); } @@ -1088,24 +1073,24 @@ void GraphEdit::_minimap_draw() { // Draw node connections. Color activity_color = get_theme_color(SNAME("activity")); for (const Connection &E : connections) { - Node *from = get_node(NodePath(E.from)); - GraphNode *gfrom = Object::cast_to<GraphNode>(from); - if (!gfrom) { + Node *from = get_node(NodePath(E.from_node)); + GraphNode *graph_node_from = Object::cast_to<GraphNode>(from); + if (!graph_node_from) { continue; } - Node *to = get_node(NodePath(E.to)); - GraphNode *gto = Object::cast_to<GraphNode>(to); - if (!gto) { + Node *node_to = get_node(NodePath(E.to_node)); + GraphNode *graph_node_to = Object::cast_to<GraphNode>(node_to); + if (!graph_node_to) { continue; } - Vector2 from_port_position = gfrom->get_position_offset() * zoom + gfrom->get_connection_output_position(E.from_port); + Vector2 from_port_position = graph_node_from->get_position_offset() + graph_node_from->get_connection_output_position(E.from_port); Vector2 from_position = minimap->_convert_from_graph_position(from_port_position - graph_offset) + minimap_offset; - Color from_color = gfrom->get_connection_output_color(E.from_port); - Vector2 to_port_position = gto->get_position_offset() * zoom + gto->get_connection_input_position(E.to_port); + Color from_color = graph_node_from->get_connection_output_color(E.from_port); + Vector2 to_port_position = graph_node_to->get_position_offset() + graph_node_to->get_connection_input_position(E.to_port); Vector2 to_position = minimap->_convert_from_graph_position(to_port_position - graph_offset) + minimap_offset; - Color to_color = gto->get_connection_input_color(E.to_port); + Color to_color = graph_node_to->get_connection_input_color(E.to_port); if (E.activity > 0) { from_color = from_color.lerp(activity_color, E.activity); @@ -1126,12 +1111,12 @@ void GraphEdit::_minimap_draw() { void GraphEdit::set_selected(Node *p_child) { for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (!graph_node) { continue; } - gn->set_selected(gn == p_child); + graph_node->set_selected(graph_node == p_child); } } @@ -1152,21 +1137,17 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { just_selected = true; drag_accum += mm->get_relative(); for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (gn && gn->is_selected() && gn->is_draggable()) { - Vector2 pos = (gn->get_drag_from() * zoom + drag_accum) / zoom; + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (graph_node && graph_node->is_selected() && graph_node->is_draggable()) { + Vector2 pos = (graph_node->get_drag_from() * zoom + drag_accum) / zoom; // Snapping can be toggled temporarily by holding down Ctrl. // This is done here as to not toggle the grid when holding down Ctrl. - if (is_using_snap() ^ Input::get_singleton()->is_key_pressed(Key::CTRL)) { - const int snap = get_snap(); - pos = pos.snapped(Vector2(snap, snap)); + if (snapping_enabled ^ Input::get_singleton()->is_key_pressed(Key::CTRL)) { + pos = pos.snapped(Vector2(snapping_distance, snapping_distance)); } - gn->set_position_offset(pos); - if (gn->is_comment()) { - _set_position_of_comment_enclosed_nodes(gn, comment_enclosed_nodes, drag_accum); - } + graph_node->set_position_offset(pos); } } } @@ -1177,18 +1158,18 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { box_selecting_rect = Rect2(box_selecting_from.min(box_selecting_to), (box_selecting_from - box_selecting_to).abs()); for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (!graph_node) { continue; } - Rect2 r = gn->get_rect(); + Rect2 r = graph_node->get_rect(); bool in_box = r.intersects(box_selecting_rect); if (in_box) { - gn->set_selected(box_selection_mode_additive); + graph_node->set_selected(box_selection_mode_additive); } else { - gn->set_selected(previous_selected.find(gn) != nullptr); + graph_node->set_selected(prev_selected.find(graph_node) != nullptr); } } @@ -1202,12 +1183,12 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { if (box_selecting) { box_selecting = false; for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (!graph_node) { continue; } - gn->set_selected(previous_selected.find(gn) != nullptr); + graph_node->set_selected(prev_selected.find(graph_node) != nullptr); } top_layer->queue_redraw(); minimap->queue_redraw(); @@ -1222,14 +1203,14 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { if (mb->get_button_index() == MouseButton::LEFT && !mb->is_pressed() && dragging) { if (!just_selected && drag_accum == Vector2() && Input::get_singleton()->is_key_pressed(Key::CTRL)) { - //deselect current node + // Deselect current node. for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); - if (gn) { - Rect2 r = gn->get_rect(); + if (graph_node) { + Rect2 r = graph_node->get_rect(); if (r.has_point(mb->get_position())) { - gn->set_selected(false); + graph_node->set_selected(false); } } } @@ -1237,12 +1218,9 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { if (drag_accum != Vector2()) { for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (gn && gn->is_selected()) { - gn->set_drag(false); - if (gn->is_comment()) { - _set_drag_comment_enclosed_nodes(gn, comment_enclosed_nodes, false); - } + GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i)); + if (graph_node && graph_node->is_selected()) { + graph_node->set_drag(false); } } } @@ -1260,28 +1238,29 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { connections_layer->queue_redraw(); } + // Node selection logic. if (mb->get_button_index() == MouseButton::LEFT && mb->is_pressed()) { - GraphNode *gn = nullptr; + GraphNode *graph_node = nullptr; // Find node which was clicked on. for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn_selected = Object::cast_to<GraphNode>(get_child(i)); + GraphNode *selected_gcontrol = Object::cast_to<GraphNode>(get_child(i)); - if (!gn_selected) { + if (!selected_gcontrol) { continue; } - if (gn_selected->is_resizing()) { + if (selected_gcontrol->is_resizing()) { continue; } - if (gn_selected->has_point((mb->get_position() - gn_selected->get_position()) / zoom)) { - gn = gn_selected; + if (selected_gcontrol->has_point((mb->get_position() - selected_gcontrol->get_position()) / zoom)) { + graph_node = selected_gcontrol; break; } } - if (gn) { + if (graph_node) { if (_filter_input(mb->get_position())) { return; } @@ -1289,19 +1268,19 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { // Left-clicked on a node, select it. dragging = true; drag_accum = Vector2(); - just_selected = !gn->is_selected(); - if (!gn->is_selected() && !Input::get_singleton()->is_key_pressed(Key::CTRL)) { + just_selected = !graph_node->is_selected(); + if (!graph_node->is_selected() && !Input::get_singleton()->is_key_pressed(Key::CTRL)) { for (int i = 0; i < get_child_count(); i++) { GraphNode *o_gn = Object::cast_to<GraphNode>(get_child(i)); if (!o_gn) { continue; } - o_gn->set_selected(o_gn == gn); + o_gn->set_selected(o_gn == graph_node); } } - gn->set_selected(true); + graph_node->set_selected(true); for (int i = 0; i < get_child_count(); i++) { GraphNode *o_gn = Object::cast_to<GraphNode>(get_child(i)); if (!o_gn) { @@ -1309,10 +1288,6 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { } if (o_gn->is_selected()) { o_gn->set_drag(true); - if (o_gn->is_comment()) { - _update_comment_enclosed_nodes_list(o_gn, comment_enclosed_nodes); - _set_drag_comment_enclosed_nodes(o_gn, comment_enclosed_nodes, true); - } } } @@ -1329,29 +1304,29 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { box_selecting_from = mb->get_position(); if (mb->is_ctrl_pressed()) { box_selection_mode_additive = true; - previous_selected.clear(); + prev_selected.clear(); for (int i = get_child_count() - 1; i >= 0; i--) { GraphNode *gn2 = Object::cast_to<GraphNode>(get_child(i)); if (!gn2 || !gn2->is_selected()) { continue; } - previous_selected.push_back(gn2); + prev_selected.push_back(gn2); } } else if (mb->is_shift_pressed()) { box_selection_mode_additive = false; - previous_selected.clear(); + prev_selected.clear(); for (int i = get_child_count() - 1; i >= 0; i--) { GraphNode *gn2 = Object::cast_to<GraphNode>(get_child(i)); if (!gn2 || !gn2->is_selected()) { continue; } - previous_selected.push_back(gn2); + prev_selected.push_back(gn2); } } else { box_selection_mode_additive = true; - previous_selected.clear(); + prev_selected.clear(); for (int i = get_child_count() - 1; i >= 0; i--) { GraphNode *gn2 = Object::cast_to<GraphNode>(get_child(i)); if (!gn2) { @@ -1368,7 +1343,7 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { // Box selection ended. Nodes were selected during mouse movement. box_selecting = false; box_selecting_rect = Rect2(); - previous_selected.clear(); + prev_selected.clear(); top_layer->queue_redraw(); minimap->queue_redraw(); } @@ -1392,7 +1367,7 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { if (!gn) { continue; } - if (gn->is_selected() && gn->is_close_button_visible()) { + if (gn->is_selected()) { nodes.push_back(gn->get_name()); } } @@ -1404,8 +1379,8 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) { } void GraphEdit::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) { - h_scroll->set_value(h_scroll->get_value() - p_scroll_vec.x); - v_scroll->set_value(v_scroll->get_value() - p_scroll_vec.y); + h_scrollbar->set_value(h_scrollbar->get_value() - p_scroll_vec.x); + v_scrollbar->set_value(v_scrollbar->get_value() - p_scroll_vec.y); } void GraphEdit::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) { @@ -1414,9 +1389,9 @@ void GraphEdit::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputE void GraphEdit::set_connection_activity(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port, float p_activity) { for (Connection &E : connections) { - if (E.from == p_from && E.from_port == p_from_port && E.to == p_to && E.to_port == p_to_port) { + if (E.from_node == p_from && E.from_port == p_from_port && E.to_node == p_to && E.to_port == p_to_port) { if (Math::is_equal_approx(E.activity, p_activity)) { - //update only if changed + // Update only if changed. top_layer->queue_redraw(); minimap->queue_redraw(); connections_layer->queue_redraw(); @@ -1470,22 +1445,22 @@ void GraphEdit::set_zoom_custom(float p_zoom, const Vector2 &p_center) { return; } - Vector2 sbofs = (Vector2(h_scroll->get_value(), v_scroll->get_value()) + p_center) / zoom; + Vector2 scrollbar_offset = (Vector2(h_scrollbar->get_value(), v_scrollbar->get_value()) + p_center) / zoom; zoom = p_zoom; top_layer->queue_redraw(); - zoom_minus->set_disabled(zoom == zoom_min); - zoom_plus->set_disabled(zoom == zoom_max); + zoom_minus_button->set_disabled(zoom == zoom_min); + zoom_plus_button->set_disabled(zoom == zoom_max); _update_scroll(); minimap->queue_redraw(); connections_layer->queue_redraw(); if (is_visible_in_tree()) { - Vector2 ofs = sbofs * zoom - p_center; - h_scroll->set_value(ofs.x); - v_scroll->set_value(ofs.y); + Vector2 offset = scrollbar_offset * zoom - p_center; + h_scrollbar->set_value(offset.x); + v_scrollbar->set_value(offset.y); } _update_zoom_label(); @@ -1583,9 +1558,9 @@ TypedArray<Dictionary> GraphEdit::_get_connection_list() const { TypedArray<Dictionary> arr; for (const Connection &E : conns) { Dictionary d; - d["from"] = E.from; + d["from_node"] = E.from_node; d["from_port"] = E.from_port; - d["to"] = E.to; + d["to_node"] = E.to_node; d["to_port"] = E.to_port; arr.push_back(d); } @@ -1611,47 +1586,71 @@ void GraphEdit::_update_zoom_label() { } void GraphEdit::add_valid_connection_type(int p_type, int p_with_type) { - ConnType ct(p_type, p_with_type); + ConnectionType ct(p_type, p_with_type); valid_connection_types.insert(ct); } void GraphEdit::remove_valid_connection_type(int p_type, int p_with_type) { - ConnType ct(p_type, p_with_type); + ConnectionType ct(p_type, p_with_type); valid_connection_types.erase(ct); } bool GraphEdit::is_valid_connection_type(int p_type, int p_with_type) const { - ConnType ct(p_type, p_with_type); + ConnectionType ct(p_type, p_with_type); return valid_connection_types.has(ct); } -void GraphEdit::set_use_snap(bool p_enable) { - if (snap_button->is_pressed() == p_enable) { +void GraphEdit::set_snapping_enabled(bool p_enable) { + if (snapping_enabled == p_enable) { return; } - snap_button->set_pressed(p_enable); + + snapping_enabled = p_enable; + toggle_snapping_button->set_pressed(p_enable); queue_redraw(); } -bool GraphEdit::is_using_snap() const { - return snap_button->is_pressed(); +bool GraphEdit::is_snapping_enabled() const { + return snapping_enabled; +} + +void GraphEdit::set_snapping_distance(int p_snapping_distance) { + ERR_FAIL_COND_MSG(p_snapping_distance < GRID_MIN_SNAPPING_DISTANCE || p_snapping_distance > GRID_MAX_SNAPPING_DISTANCE, + vformat("GraphEdit's snapping distance must be between %d and %d (inclusive)", GRID_MIN_SNAPPING_DISTANCE, GRID_MAX_SNAPPING_DISTANCE)); + snapping_distance = p_snapping_distance; + snapping_distance_spinbox->set_value(p_snapping_distance); + queue_redraw(); } -int GraphEdit::get_snap() const { - return snap_amount->get_value(); +int GraphEdit::get_snapping_distance() const { + return snapping_distance; } -void GraphEdit::set_snap(int p_snap) { - ERR_FAIL_COND(p_snap < 5); - snap_amount->set_value(p_snap); +void GraphEdit::set_show_grid(bool p_show) { + if (show_grid == p_show) { + return; + } + + show_grid = p_show; + show_grid_button->set_pressed(p_show); queue_redraw(); } -void GraphEdit::_snap_toggled() { +bool GraphEdit::is_showing_grid() const { + return show_grid; +} + +void GraphEdit::_snapping_toggled() { + snapping_enabled = toggle_snapping_button->is_pressed(); +} + +void GraphEdit::_snapping_distance_changed(double) { + snapping_distance = snapping_distance_spinbox->get_value(); queue_redraw(); } -void GraphEdit::_snap_value_changed(double) { +void GraphEdit::_show_grid_toggled() { + show_grid = show_grid_button->is_pressed(); queue_redraw(); } @@ -1660,8 +1659,8 @@ void GraphEdit::set_minimap_size(Vector2 p_size) { Vector2 minimap_size = minimap->get_size(); // The size might've been adjusted by the minimum size. minimap->set_anchors_preset(Control::PRESET_BOTTOM_RIGHT); - minimap->set_offset(Side::SIDE_LEFT, -minimap_size.x - MINIMAP_OFFSET); - minimap->set_offset(Side::SIDE_TOP, -minimap_size.y - MINIMAP_OFFSET); + minimap->set_offset(Side::SIDE_LEFT, -minimap_size.width - MINIMAP_OFFSET); + minimap->set_offset(Side::SIDE_TOP, -minimap_size.height - MINIMAP_OFFSET); minimap->set_offset(Side::SIDE_RIGHT, -MINIMAP_OFFSET); minimap->set_offset(Side::SIDE_BOTTOM, -MINIMAP_OFFSET); minimap->queue_redraw(); @@ -1752,8 +1751,8 @@ bool GraphEdit::is_connection_lines_antialiased() const { return lines_antialiased; } -HBoxContainer *GraphEdit::get_zoom_hbox() { - return zoom_hb; +HBoxContainer *GraphEdit::get_menu_hbox() { + return menu_hbox; } Ref<ViewPanner> GraphEdit::get_panner() { @@ -1764,526 +1763,8 @@ void GraphEdit::set_warped_panning(bool p_warped) { warped_panning = p_warped; } -int GraphEdit::_set_operations(SET_OPERATIONS p_operation, HashSet<StringName> &r_u, const HashSet<StringName> &r_v) { - switch (p_operation) { - case GraphEdit::IS_EQUAL: { - for (const StringName &E : r_u) { - if (!r_v.has(E)) { - return 0; - } - } - return r_u.size() == r_v.size(); - } break; - case GraphEdit::IS_SUBSET: { - if (r_u.size() == r_v.size() && !r_u.size()) { - return 1; - } - for (const StringName &E : r_u) { - if (!r_v.has(E)) { - return 0; - } - } - return 1; - } break; - case GraphEdit::DIFFERENCE: { - for (HashSet<StringName>::Iterator E = r_u.begin(); E;) { - HashSet<StringName>::Iterator N = E; - ++N; - if (r_v.has(*E)) { - r_u.remove(E); - } - E = N; - } - return r_u.size(); - } break; - case GraphEdit::UNION: { - for (const StringName &E : r_v) { - if (!r_u.has(E)) { - r_u.insert(E); - } - } - return r_u.size(); - } break; - default: - break; - } - return -1; -} - -HashMap<int, Vector<StringName>> GraphEdit::_layering(const HashSet<StringName> &r_selected_nodes, const HashMap<StringName, HashSet<StringName>> &r_upper_neighbours) { - HashMap<int, Vector<StringName>> l; - - HashSet<StringName> p = r_selected_nodes, q = r_selected_nodes, u, z; - int current_layer = 0; - bool selected = false; - - while (!_set_operations(GraphEdit::IS_EQUAL, q, u)) { - _set_operations(GraphEdit::DIFFERENCE, p, u); - for (const StringName &E : p) { - HashSet<StringName> n = r_upper_neighbours[E]; - if (_set_operations(GraphEdit::IS_SUBSET, n, z)) { - Vector<StringName> t; - t.push_back(E); - if (!l.has(current_layer)) { - l.insert(current_layer, Vector<StringName>{}); - } - selected = true; - t.append_array(l[current_layer]); - l.insert(current_layer, t); - HashSet<StringName> V; - V.insert(E); - _set_operations(GraphEdit::UNION, u, V); - } - } - if (!selected) { - current_layer++; - uint32_t previous_size_z = z.size(); - _set_operations(GraphEdit::UNION, z, u); - if (z.size() == previous_size_z) { - WARN_PRINT("Graph contains cycle(s). The cycle(s) will not be rearranged accurately."); - Vector<StringName> t; - if (l.has(0)) { - t.append_array(l[0]); - } - for (const StringName &E : p) { - t.push_back(E); - } - l.insert(0, t); - break; - } - } - selected = false; - } - - return l; -} - -Vector<StringName> GraphEdit::_split(const Vector<StringName> &r_layer, const HashMap<StringName, Dictionary> &r_crossings) { - if (!r_layer.size()) { - return Vector<StringName>(); - } - - StringName p = r_layer[Math::random(0, r_layer.size() - 1)]; - Vector<StringName> left; - Vector<StringName> right; - - for (int i = 0; i < r_layer.size(); i++) { - if (p != r_layer[i]) { - StringName q = r_layer[i]; - int cross_pq = r_crossings[p][q]; - int cross_qp = r_crossings[q][p]; - if (cross_pq > cross_qp) { - left.push_back(q); - } else { - right.push_back(q); - } - } - } - - left.push_back(p); - left.append_array(right); - return left; -} - -void GraphEdit::_horizontal_alignment(Dictionary &r_root, Dictionary &r_align, const HashMap<int, Vector<StringName>> &r_layers, const HashMap<StringName, HashSet<StringName>> &r_upper_neighbours, const HashSet<StringName> &r_selected_nodes) { - for (const StringName &E : r_selected_nodes) { - r_root[E] = E; - r_align[E] = E; - } - - if (r_layers.size() == 1) { - return; - } - - for (unsigned int i = 1; i < r_layers.size(); i++) { - Vector<StringName> lower_layer = r_layers[i]; - Vector<StringName> upper_layer = r_layers[i - 1]; - int r = -1; - - for (int j = 0; j < lower_layer.size(); j++) { - Vector<Pair<int, StringName>> up; - StringName current_node = lower_layer[j]; - for (int k = 0; k < upper_layer.size(); k++) { - StringName adjacent_neighbour = upper_layer[k]; - if (r_upper_neighbours[current_node].has(adjacent_neighbour)) { - up.push_back(Pair<int, StringName>(k, adjacent_neighbour)); - } - } - - int start = (up.size() - 1) / 2; - int end = (up.size() - 1) % 2 ? start + 1 : start; - for (int p = start; p <= end; p++) { - StringName Align = r_align[current_node]; - if (Align == current_node && r < up[p].first) { - r_align[up[p].second] = lower_layer[j]; - r_root[current_node] = r_root[up[p].second]; - r_align[current_node] = r_root[up[p].second]; - r = up[p].first; - } - } - } - } -} - -void GraphEdit::_crossing_minimisation(HashMap<int, Vector<StringName>> &r_layers, const HashMap<StringName, HashSet<StringName>> &r_upper_neighbours) { - if (r_layers.size() == 1) { - return; - } - - for (unsigned int i = 1; i < r_layers.size(); i++) { - Vector<StringName> upper_layer = r_layers[i - 1]; - Vector<StringName> lower_layer = r_layers[i]; - HashMap<StringName, Dictionary> c; - - for (int j = 0; j < lower_layer.size(); j++) { - StringName p = lower_layer[j]; - Dictionary d; - - for (int k = 0; k < lower_layer.size(); k++) { - unsigned int crossings = 0; - StringName q = lower_layer[k]; - - if (j != k) { - for (int h = 1; h < upper_layer.size(); h++) { - if (r_upper_neighbours[p].has(upper_layer[h])) { - for (int g = 0; g < h; g++) { - if (r_upper_neighbours[q].has(upper_layer[g])) { - crossings++; - } - } - } - } - } - d[q] = crossings; - } - c.insert(p, d); - } - - r_layers.insert(i, _split(lower_layer, c)); - } -} - -void GraphEdit::_calculate_inner_shifts(Dictionary &r_inner_shifts, const Dictionary &r_root, const Dictionary &r_node_names, const Dictionary &r_align, const HashSet<StringName> &r_block_heads, const HashMap<StringName, Pair<int, int>> &r_port_info) { - for (const StringName &E : r_block_heads) { - real_t left = 0; - StringName u = E; - StringName v = r_align[u]; - while (u != v && (StringName)r_root[u] != v) { - String _connection = String(u) + " " + String(v); - GraphNode *gfrom = Object::cast_to<GraphNode>(r_node_names[u]); - GraphNode *gto = Object::cast_to<GraphNode>(r_node_names[v]); - - Pair<int, int> ports = r_port_info[_connection]; - int pfrom = ports.first; - int pto = ports.second; - Vector2 frompos = gfrom->get_connection_output_position(pfrom); - Vector2 topos = gto->get_connection_input_position(pto); - - real_t s = (real_t)r_inner_shifts[u] + (frompos.y - topos.y) / zoom; - r_inner_shifts[v] = s; - left = MIN(left, s); - - u = v; - v = (StringName)r_align[v]; - } - - u = E; - do { - r_inner_shifts[u] = (real_t)r_inner_shifts[u] - left; - u = (StringName)r_align[u]; - } while (u != E); - } -} - -float GraphEdit::_calculate_threshold(StringName p_v, StringName p_w, const Dictionary &r_node_names, const HashMap<int, Vector<StringName>> &r_layers, const Dictionary &r_root, const Dictionary &r_align, const Dictionary &r_inner_shift, real_t p_current_threshold, const HashMap<StringName, Vector2> &r_node_positions) { -#define MAX_ORDER 2147483647 -#define ORDER(node, layers) \ - for (unsigned int i = 0; i < layers.size(); i++) { \ - int index = layers[i].find(node); \ - if (index > 0) { \ - order = index; \ - break; \ - } \ - order = MAX_ORDER; \ - } - - int order = MAX_ORDER; - float threshold = p_current_threshold; - if (p_v == p_w) { - int min_order = MAX_ORDER; - Connection incoming; - for (List<Connection>::Element *E = connections.front(); E; E = E->next()) { - if (E->get().to == p_w) { - ORDER(E->get().from, r_layers); - if (min_order > order) { - min_order = order; - incoming = E->get(); - } - } - } - - if (incoming.from != StringName()) { - GraphNode *gfrom = Object::cast_to<GraphNode>(r_node_names[incoming.from]); - GraphNode *gto = Object::cast_to<GraphNode>(r_node_names[p_w]); - Vector2 frompos = gfrom->get_connection_output_position(incoming.from_port); - Vector2 topos = gto->get_connection_input_position(incoming.to_port); - - //If connected block node is selected, calculate thershold or add current block to list - if (gfrom->is_selected()) { - Vector2 connected_block_pos = r_node_positions[r_root[incoming.from]]; - if (connected_block_pos.y != FLT_MAX) { - //Connected block is placed. Calculate threshold - threshold = connected_block_pos.y + (real_t)r_inner_shift[incoming.from] - (real_t)r_inner_shift[p_w] + frompos.y - topos.y; - } - } - } - } - if (threshold == FLT_MIN && (StringName)r_align[p_w] == p_v) { - //This time, pick an outgoing edge and repeat as above! - int min_order = MAX_ORDER; - Connection outgoing; - for (List<Connection>::Element *E = connections.front(); E; E = E->next()) { - if (E->get().from == p_w) { - ORDER(E->get().to, r_layers); - if (min_order > order) { - min_order = order; - outgoing = E->get(); - } - } - } - - if (outgoing.to != StringName()) { - GraphNode *gfrom = Object::cast_to<GraphNode>(r_node_names[p_w]); - GraphNode *gto = Object::cast_to<GraphNode>(r_node_names[outgoing.to]); - Vector2 frompos = gfrom->get_connection_output_position(outgoing.from_port); - Vector2 topos = gto->get_connection_input_position(outgoing.to_port); - - //If connected block node is selected, calculate thershold or add current block to list - if (gto->is_selected()) { - Vector2 connected_block_pos = r_node_positions[r_root[outgoing.to]]; - if (connected_block_pos.y != FLT_MAX) { - //Connected block is placed. Calculate threshold - threshold = connected_block_pos.y + (real_t)r_inner_shift[outgoing.to] - (real_t)r_inner_shift[p_w] + frompos.y - topos.y; - } - } - } - } -#undef MAX_ORDER -#undef ORDER - return threshold; -} - -void GraphEdit::_place_block(StringName p_v, float p_delta, const HashMap<int, Vector<StringName>> &r_layers, const Dictionary &r_root, const Dictionary &r_align, const Dictionary &r_node_name, const Dictionary &r_inner_shift, Dictionary &r_sink, Dictionary &r_shift, HashMap<StringName, Vector2> &r_node_positions) { -#define PRED(node, layers) \ - for (unsigned int i = 0; i < layers.size(); i++) { \ - int index = layers[i].find(node); \ - if (index > 0) { \ - predecessor = layers[i][index - 1]; \ - break; \ - } \ - predecessor = StringName(); \ - } - - StringName predecessor; - StringName successor; - Vector2 pos = r_node_positions[p_v]; - - if (pos.y == FLT_MAX) { - pos.y = 0; - bool initial = false; - StringName w = p_v; - real_t threshold = FLT_MIN; - do { - PRED(w, r_layers); - if (predecessor != StringName()) { - StringName u = r_root[predecessor]; - _place_block(u, p_delta, r_layers, r_root, r_align, r_node_name, r_inner_shift, r_sink, r_shift, r_node_positions); - threshold = _calculate_threshold(p_v, w, r_node_name, r_layers, r_root, r_align, r_inner_shift, threshold, r_node_positions); - if ((StringName)r_sink[p_v] == p_v) { - r_sink[p_v] = r_sink[u]; - } - - Vector2 predecessor_root_pos = r_node_positions[u]; - Vector2 predecessor_node_size = Object::cast_to<GraphNode>(r_node_name[predecessor])->get_size(); - if (r_sink[p_v] != r_sink[u]) { - real_t sc = pos.y + (real_t)r_inner_shift[w] - predecessor_root_pos.y - (real_t)r_inner_shift[predecessor] - predecessor_node_size.y - p_delta; - r_shift[r_sink[u]] = MIN(sc, (real_t)r_shift[r_sink[u]]); - } else { - real_t sb = predecessor_root_pos.y + (real_t)r_inner_shift[predecessor] + predecessor_node_size.y - (real_t)r_inner_shift[w] + p_delta; - sb = MAX(sb, threshold); - if (initial) { - pos.y = sb; - } else { - pos.y = MAX(pos.y, sb); - } - initial = false; - } - } - threshold = _calculate_threshold(p_v, w, r_node_name, r_layers, r_root, r_align, r_inner_shift, threshold, r_node_positions); - w = r_align[w]; - } while (w != p_v); - r_node_positions.insert(p_v, pos); - } - -#undef PRED -} - void GraphEdit::arrange_nodes() { - if (!arranging_graph) { - arranging_graph = true; - } else { - return; - } - - Dictionary node_names; - HashSet<StringName> selected_nodes; - - bool arrange_entire_graph = true; - for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { - continue; - } - - node_names[gn->get_name()] = gn; - - if (gn->is_selected()) { - arrange_entire_graph = false; - } - } - - HashMap<StringName, HashSet<StringName>> upper_neighbours; - HashMap<StringName, Pair<int, int>> port_info; - Vector2 origin(FLT_MAX, FLT_MAX); - - float gap_v = 100.0f; - float gap_h = 100.0f; - - for (int i = get_child_count() - 1; i >= 0; i--) { - GraphNode *gn = Object::cast_to<GraphNode>(get_child(i)); - if (!gn) { - continue; - } - - if (gn->is_selected() || arrange_entire_graph) { - selected_nodes.insert(gn->get_name()); - HashSet<StringName> s; - for (List<Connection>::Element *E = connections.front(); E; E = E->next()) { - GraphNode *p_from = Object::cast_to<GraphNode>(node_names[E->get().from]); - if (E->get().to == gn->get_name() && (p_from->is_selected() || arrange_entire_graph) && E->get().to != E->get().from) { - if (!s.has(p_from->get_name())) { - s.insert(p_from->get_name()); - } - String s_connection = String(p_from->get_name()) + " " + String(E->get().to); - StringName _connection(s_connection); - Pair<int, int> ports(E->get().from_port, E->get().to_port); - if (port_info.has(_connection)) { - Pair<int, int> p_ports = port_info[_connection]; - if (p_ports.first < ports.first) { - ports = p_ports; - } - } - port_info.insert(_connection, ports); - } - } - upper_neighbours.insert(gn->get_name(), s); - } - } - - if (!selected_nodes.size()) { - arranging_graph = false; - return; - } - - HashMap<int, Vector<StringName>> layers = _layering(selected_nodes, upper_neighbours); - _crossing_minimisation(layers, upper_neighbours); - - Dictionary root, align, sink, shift; - _horizontal_alignment(root, align, layers, upper_neighbours, selected_nodes); - - HashMap<StringName, Vector2> new_positions; - Vector2 default_position(FLT_MAX, FLT_MAX); - Dictionary inner_shift; - HashSet<StringName> block_heads; - - for (const StringName &E : selected_nodes) { - inner_shift[E] = 0.0f; - sink[E] = E; - shift[E] = FLT_MAX; - new_positions.insert(E, default_position); - if ((StringName)root[E] == E) { - block_heads.insert(E); - } - } - - _calculate_inner_shifts(inner_shift, root, node_names, align, block_heads, port_info); - - for (const StringName &E : block_heads) { - _place_block(E, gap_v, layers, root, align, node_names, inner_shift, sink, shift, new_positions); - } - origin.y = Object::cast_to<GraphNode>(node_names[layers[0][0]])->get_position_offset().y - (new_positions[layers[0][0]].y + (float)inner_shift[layers[0][0]]); - origin.x = Object::cast_to<GraphNode>(node_names[layers[0][0]])->get_position_offset().x; - - for (const StringName &E : block_heads) { - StringName u = E; - float start_from = origin.y + new_positions[E].y; - do { - Vector2 cal_pos; - cal_pos.y = start_from + (real_t)inner_shift[u]; - new_positions.insert(u, cal_pos); - u = align[u]; - } while (u != E); - } - - // Compute horizontal coordinates individually for layers to get uniform gap. - float start_from = origin.x; - float largest_node_size = 0.0f; - - for (unsigned int i = 0; i < layers.size(); i++) { - Vector<StringName> layer = layers[i]; - for (int j = 0; j < layer.size(); j++) { - float current_node_size = Object::cast_to<GraphNode>(node_names[layer[j]])->get_size().x; - largest_node_size = MAX(largest_node_size, current_node_size); - } - - for (int j = 0; j < layer.size(); j++) { - float current_node_size = Object::cast_to<GraphNode>(node_names[layer[j]])->get_size().x; - Vector2 cal_pos = new_positions[layer[j]]; - - if (current_node_size == largest_node_size) { - cal_pos.x = start_from; - } else { - float current_node_start_pos = start_from; - if (current_node_size < largest_node_size / 2) { - if (!(i || j)) { - start_from -= (largest_node_size - current_node_size); - } - current_node_start_pos = start_from + largest_node_size - current_node_size; - } - cal_pos.x = current_node_start_pos; - } - new_positions.insert(layer[j], cal_pos); - } - - start_from += largest_node_size + gap_h; - largest_node_size = 0.0f; - } - - emit_signal(SNAME("begin_node_move")); - for (const StringName &E : selected_nodes) { - GraphNode *gn = Object::cast_to<GraphNode>(node_names[E]); - gn->set_drag(true); - Vector2 pos = (new_positions[E]); - - if (is_using_snap()) { - const int snap = get_snap(); - pos = pos.snapped(Vector2(snap, snap)); - } - gn->set_position_offset(pos); - gn->set_drag(false); - } - emit_signal(SNAME("end_node_move")); - arranging_graph = false; + arranger->arrange_nodes(); } void GraphEdit::_bind_methods() { @@ -2294,8 +1775,8 @@ void GraphEdit::_bind_methods() { ClassDB::bind_method(D_METHOD("get_connection_list"), &GraphEdit::_get_connection_list); ClassDB::bind_method(D_METHOD("clear_connections"), &GraphEdit::clear_connections); ClassDB::bind_method(D_METHOD("force_connection_drag_end"), &GraphEdit::force_connection_drag_end); - ClassDB::bind_method(D_METHOD("get_scroll_ofs"), &GraphEdit::get_scroll_ofs); - ClassDB::bind_method(D_METHOD("set_scroll_ofs", "offset"), &GraphEdit::set_scroll_ofs); + ClassDB::bind_method(D_METHOD("get_scroll_offset"), &GraphEdit::get_scroll_offset); + ClassDB::bind_method(D_METHOD("set_scroll_offset", "offset"), &GraphEdit::set_scroll_offset); ClassDB::bind_method(D_METHOD("add_valid_right_disconnect_type", "type"), &GraphEdit::add_valid_right_disconnect_type); ClassDB::bind_method(D_METHOD("remove_valid_right_disconnect_type", "type"), &GraphEdit::remove_valid_right_disconnect_type); @@ -2324,11 +1805,14 @@ void GraphEdit::_bind_methods() { ClassDB::bind_method(D_METHOD("set_show_zoom_label", "enable"), &GraphEdit::set_show_zoom_label); ClassDB::bind_method(D_METHOD("is_showing_zoom_label"), &GraphEdit::is_showing_zoom_label); - ClassDB::bind_method(D_METHOD("set_snap", "pixels"), &GraphEdit::set_snap); - ClassDB::bind_method(D_METHOD("get_snap"), &GraphEdit::get_snap); + ClassDB::bind_method(D_METHOD("set_show_grid", "enable"), &GraphEdit::set_show_grid); + ClassDB::bind_method(D_METHOD("is_showing_grid"), &GraphEdit::is_showing_grid); + + ClassDB::bind_method(D_METHOD("set_snapping_enabled", "enable"), &GraphEdit::set_snapping_enabled); + ClassDB::bind_method(D_METHOD("is_snapping_enabled"), &GraphEdit::is_snapping_enabled); - ClassDB::bind_method(D_METHOD("set_use_snap", "enable"), &GraphEdit::set_use_snap); - ClassDB::bind_method(D_METHOD("is_using_snap"), &GraphEdit::is_using_snap); + ClassDB::bind_method(D_METHOD("set_snapping_distance", "pixels"), &GraphEdit::set_snapping_distance); + ClassDB::bind_method(D_METHOD("get_snapping_distance"), &GraphEdit::get_snapping_distance); ClassDB::bind_method(D_METHOD("set_connection_lines_curvature", "curvature"), &GraphEdit::set_connection_lines_curvature); ClassDB::bind_method(D_METHOD("get_connection_lines_curvature"), &GraphEdit::get_connection_lines_curvature); @@ -2353,11 +1837,10 @@ void GraphEdit::_bind_methods() { ClassDB::bind_method(D_METHOD("set_right_disconnects", "enable"), &GraphEdit::set_right_disconnects); ClassDB::bind_method(D_METHOD("is_right_disconnects_enabled"), &GraphEdit::is_right_disconnects_enabled); - ClassDB::bind_method(D_METHOD("_update_scroll_offset"), &GraphEdit::_update_scroll_offset); GDVIRTUAL_BIND(_is_in_input_hotzone, "in_node", "in_port", "mouse_position"); GDVIRTUAL_BIND(_is_in_output_hotzone, "in_node", "in_port", "mouse_position"); - ClassDB::bind_method(D_METHOD("get_zoom_hbox"), &GraphEdit::get_zoom_hbox); + ClassDB::bind_method(D_METHOD("get_menu_hbox"), &GraphEdit::get_menu_hbox); ClassDB::bind_method(D_METHOD("arrange_nodes"), &GraphEdit::arrange_nodes); @@ -2367,9 +1850,10 @@ void GraphEdit::_bind_methods() { GDVIRTUAL_BIND(_is_node_hover_valid, "from_node", "from_port", "to_node", "to_port"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "right_disconnects"), "set_right_disconnects", "is_right_disconnects_enabled"); - ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_scroll_ofs", "get_scroll_ofs"); - ADD_PROPERTY(PropertyInfo(Variant::INT, "snap_distance", PROPERTY_HINT_NONE, "suffix:px"), "set_snap", "get_snap"); - ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_snap"), "set_use_snap", "is_using_snap"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_scroll_offset", "get_scroll_offset"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_grid"), "set_show_grid", "is_showing_grid"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "snapping_enabled"), "set_snapping_enabled", "is_snapping_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "snapping_distance", PROPERTY_HINT_NONE, "suffix:px"), "set_snapping_distance", "get_snapping_distance"); ADD_PROPERTY(PropertyInfo(Variant::INT, "panning_scheme", PROPERTY_HINT_ENUM, "Scroll Zooms,Scroll Pans"), "set_panning_scheme", "get_panning_scheme"); ADD_GROUP("Connection Lines", "connection_lines"); @@ -2435,93 +1919,103 @@ GraphEdit::GraphEdit() { top_layer->connect("focus_exited", callable_mp(panner.ptr(), &ViewPanner::release_pan_key)); connections_layer = memnew(Control); - add_child(connections_layer, false, INTERNAL_MODE_FRONT); + add_child(connections_layer, false); connections_layer->connect("draw", callable_mp(this, &GraphEdit::_connections_layer_draw)); - connections_layer->set_name("CLAYER"); - connections_layer->set_disable_visibility_clip(true); // so it can draw freely and be offset + connections_layer->set_name("_connection_layer"); + connections_layer->set_disable_visibility_clip(true); // Necessary, so it can draw freely and be offset. connections_layer->set_mouse_filter(MOUSE_FILTER_IGNORE); - h_scroll = memnew(HScrollBar); - h_scroll->set_name("_h_scroll"); - top_layer->add_child(h_scroll); + h_scrollbar = memnew(HScrollBar); + h_scrollbar->set_name("_h_scroll"); + top_layer->add_child(h_scrollbar); - v_scroll = memnew(VScrollBar); - v_scroll->set_name("_v_scroll"); - top_layer->add_child(v_scroll); + v_scrollbar = memnew(VScrollBar); + v_scrollbar->set_name("_v_scroll"); + top_layer->add_child(v_scrollbar); - //set large minmax so it can scroll even if not resized yet - h_scroll->set_min(-10000); - h_scroll->set_max(10000); + // Set large minmax so it can scroll even if not resized yet. + h_scrollbar->set_min(-10000); + h_scrollbar->set_max(10000); - v_scroll->set_min(-10000); - v_scroll->set_max(10000); + v_scrollbar->set_min(-10000); + v_scrollbar->set_max(10000); - h_scroll->connect("value_changed", callable_mp(this, &GraphEdit::_scroll_moved)); - v_scroll->connect("value_changed", callable_mp(this, &GraphEdit::_scroll_moved)); + h_scrollbar->connect("value_changed", callable_mp(this, &GraphEdit::_scroll_moved)); + v_scrollbar->connect("value_changed", callable_mp(this, &GraphEdit::_scroll_moved)); - zoom_hb = memnew(HBoxContainer); - top_layer->add_child(zoom_hb); - zoom_hb->set_position(Vector2(10, 10)); + menu_hbox = memnew(HBoxContainer); + top_layer->add_child(menu_hbox); + menu_hbox->set_position(Vector2(10, 10)); zoom_label = memnew(Label); - zoom_hb->add_child(zoom_label); + menu_hbox->add_child(zoom_label); zoom_label->set_visible(false); zoom_label->set_v_size_flags(Control::SIZE_SHRINK_CENTER); zoom_label->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER); zoom_label->set_custom_minimum_size(Size2(48, 0)); _update_zoom_label(); - zoom_minus = memnew(Button); - zoom_minus->set_flat(true); - zoom_hb->add_child(zoom_minus); - zoom_minus->set_tooltip_text(RTR("Zoom Out")); - zoom_minus->connect("pressed", callable_mp(this, &GraphEdit::_zoom_minus)); - zoom_minus->set_focus_mode(FOCUS_NONE); - - zoom_reset = memnew(Button); - zoom_reset->set_flat(true); - zoom_hb->add_child(zoom_reset); - zoom_reset->set_tooltip_text(RTR("Zoom Reset")); - zoom_reset->connect("pressed", callable_mp(this, &GraphEdit::_zoom_reset)); - zoom_reset->set_focus_mode(FOCUS_NONE); - - zoom_plus = memnew(Button); - zoom_plus->set_flat(true); - zoom_hb->add_child(zoom_plus); - zoom_plus->set_tooltip_text(RTR("Zoom In")); - zoom_plus->connect("pressed", callable_mp(this, &GraphEdit::_zoom_plus)); - zoom_plus->set_focus_mode(FOCUS_NONE); - - snap_button = memnew(Button); - snap_button->set_flat(true); - snap_button->set_toggle_mode(true); - snap_button->set_tooltip_text(RTR("Enable snap and show grid.")); - snap_button->connect("pressed", callable_mp(this, &GraphEdit::_snap_toggled)); - snap_button->set_pressed(true); - snap_button->set_focus_mode(FOCUS_NONE); - zoom_hb->add_child(snap_button); - - snap_amount = memnew(SpinBox); - snap_amount->set_min(5); - snap_amount->set_max(100); - snap_amount->set_step(1); - snap_amount->set_value(20); - snap_amount->connect("value_changed", callable_mp(this, &GraphEdit::_snap_value_changed)); - zoom_hb->add_child(snap_amount); + zoom_minus_button = memnew(Button); + zoom_minus_button->set_flat(true); + menu_hbox->add_child(zoom_minus_button); + zoom_minus_button->set_tooltip_text(RTR("Zoom Out")); + zoom_minus_button->connect("pressed", callable_mp(this, &GraphEdit::_zoom_minus)); + zoom_minus_button->set_focus_mode(FOCUS_NONE); + + zoom_reset_button = memnew(Button); + zoom_reset_button->set_flat(true); + menu_hbox->add_child(zoom_reset_button); + zoom_reset_button->set_tooltip_text(RTR("Zoom Reset")); + zoom_reset_button->connect("pressed", callable_mp(this, &GraphEdit::_zoom_reset)); + zoom_reset_button->set_focus_mode(FOCUS_NONE); + + zoom_plus_button = memnew(Button); + zoom_plus_button->set_flat(true); + menu_hbox->add_child(zoom_plus_button); + zoom_plus_button->set_tooltip_text(RTR("Zoom In")); + zoom_plus_button->connect("pressed", callable_mp(this, &GraphEdit::_zoom_plus)); + zoom_plus_button->set_focus_mode(FOCUS_NONE); + + show_grid_button = memnew(Button); + show_grid_button->set_flat(true); + show_grid_button->set_toggle_mode(true); + show_grid_button->set_tooltip_text(RTR("Toggle the visual grid.")); + show_grid_button->connect("pressed", callable_mp(this, &GraphEdit::_show_grid_toggled)); + show_grid_button->set_pressed(true); + show_grid_button->set_focus_mode(FOCUS_NONE); + menu_hbox->add_child(show_grid_button); + + toggle_snapping_button = memnew(Button); + toggle_snapping_button->set_flat(true); + toggle_snapping_button->set_toggle_mode(true); + toggle_snapping_button->set_tooltip_text(RTR("Toggle snapping to the grid.")); + toggle_snapping_button->connect("pressed", callable_mp(this, &GraphEdit::_snapping_toggled)); + toggle_snapping_button->set_pressed(snapping_enabled); + toggle_snapping_button->set_focus_mode(FOCUS_NONE); + menu_hbox->add_child(toggle_snapping_button); + + snapping_distance_spinbox = memnew(SpinBox); + snapping_distance_spinbox->set_min(GRID_MIN_SNAPPING_DISTANCE); + snapping_distance_spinbox->set_max(GRID_MAX_SNAPPING_DISTANCE); + snapping_distance_spinbox->set_step(1); + snapping_distance_spinbox->set_value(snapping_distance); + snapping_distance_spinbox->set_tooltip_text(RTR("Change the snapping distance.")); + snapping_distance_spinbox->connect("value_changed", callable_mp(this, &GraphEdit::_snapping_distance_changed)); + menu_hbox->add_child(snapping_distance_spinbox); minimap_button = memnew(Button); minimap_button->set_flat(true); minimap_button->set_toggle_mode(true); - minimap_button->set_tooltip_text(RTR("Enable grid minimap.")); + minimap_button->set_tooltip_text(RTR("Toggle the graph minimap.")); minimap_button->connect("pressed", callable_mp(this, &GraphEdit::_minimap_toggled)); - minimap_button->set_pressed(true); + minimap_button->set_pressed(show_grid); minimap_button->set_focus_mode(FOCUS_NONE); - zoom_hb->add_child(minimap_button); + menu_hbox->add_child(minimap_button); layout_button = memnew(Button); layout_button->set_flat(true); - zoom_hb->add_child(layout_button); - layout_button->set_tooltip_text(RTR("Arrange nodes.")); + menu_hbox->add_child(layout_button); + layout_button->set_tooltip_text(RTR("Automatically arrange selected nodes.")); layout_button->connect("pressed", callable_mp(this, &GraphEdit::arrange_nodes)); layout_button->set_focus_mode(FOCUS_NONE); @@ -2536,11 +2030,13 @@ GraphEdit::GraphEdit() { minimap->set_custom_minimum_size(Vector2(50, 50)); minimap->set_size(minimap_size); minimap->set_anchors_preset(Control::PRESET_BOTTOM_RIGHT); - minimap->set_offset(Side::SIDE_LEFT, -minimap_size.x - MINIMAP_OFFSET); - minimap->set_offset(Side::SIDE_TOP, -minimap_size.y - MINIMAP_OFFSET); + minimap->set_offset(Side::SIDE_LEFT, -minimap_size.width - MINIMAP_OFFSET); + minimap->set_offset(Side::SIDE_TOP, -minimap_size.height - MINIMAP_OFFSET); minimap->set_offset(Side::SIDE_RIGHT, -MINIMAP_OFFSET); minimap->set_offset(Side::SIDE_BOTTOM, -MINIMAP_OFFSET); minimap->connect("draw", callable_mp(this, &GraphEdit::_minimap_draw)); set_clip_contents(true); + + arranger = Ref<GraphEditArranger>(memnew(GraphEditArranger(this))); } |